JVC KD-SH99 Service Manual page 29

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3 7 63 1515 0
LC895199K-ND2(IC601):CD-ROM decoder
1.Pin layout
144 109
1
36
37 72
2.Pin function
Pin No. Symbol
1 VSSO
2 ZRASO
3 ZCASO
4 ZCAS1
5 VSSO
6 ZOE
7
ZUWE
8
ZLWE
9
VSSO
10
RA0
11
RA1
12
RA2
13
RA3
14
RA4
15 RA5
16 RA6
TE
17 RA7
L 13942296513
18 VDD0
19 VSS0
20
RA8
21
IO0
22
IO1
23
IO2
24
IO3
25
IO4
26
IO5
27
VSSO
28 IO6
29 IO7
30 IO8
31 IO9
32 IO10
33 IO11
34
IO12
35
IO13
36
VSSO
37
VDD1
38
IO14
39
IO15
40
DREQ
41 DRESP
42 IOP7
43 IOP6
www
44 IOP5
45 IOP4
46 IOP3
.
47
IOP2
48
IOP1
49
IOP0
50
HDBDIR
http://www.xiaoyu163.com
108
73
RAS signal output terminal to buffer DRAM
CAS signal output 0 terminal to buffer DRAM(0 is used usually)
CAS signal output terminal 1 to buffer DRAM
Buffer DRAM output enable
Buffer DRAM upper write enable
Buffer DRAM lower write enable
Address signal output terminal to data buffer DRAM
5.0V
Address signal output terminal to data buffer DRAM
Data I/O terminal to data buffer DRAM. With built-in pull-up resistor
Data I/O terminal to data buffer DRAM. With built-in pull-up resistor
3.3V
Data I/O terminal to data buffer DRAM.With buolt-in pull-up resistor
General-purpose I/O port
x ao
y
i
http://www.xiaoyu163.com
8
Function
Q Q
3 6 7 1 3
u163
.
2 9 9 4 2 8
LC895199K-ND2(1/3)
1 5 0 5 8 2 9 9 4
m
co
KD-SH99
9 9
2 8 9 9
1-29